Finding the Fourth Proportional to 4,926,143.44, 6,802,772.70 and 4,657,769.32
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Solution
The fourth proportional to 4,926,143.44, 6,802,772.70 and 4,657,769.32 is: 6,432,160.65
Step by Step Solution
- Step 1: Write the proportion equation
4,926,143.44 : 6,802,772.70 = 4,657,769.32 : x - Step 2: Convert to fraction form
4,926,143.44/6,802,772.70 = 4,657,769.32/x - Step 3: Cross multiply
4,926,143.44x = 6,802,772.70 × 4,657,769.32 - Step 4: Simplify right side
4,926,143.44x = 31,685,745,972,993.57 - Step 5: Solve for x
x = 31,685,745,972,993.57/4,926,143.44 - Step 6: Final answer
x = 6,432,160.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.